Pamela Wallin has been entitled to at least $1 million in fees and stock options for her role on corporate boards since becoming a senator.

OTTAWA—Pamela Wallin has a lucrative life outside politics, where she has been entitled to roughly $1 million in fees and stock options for her role on corporate boards since being appointed to the Senate.

The Star looked through public company profiles, her disclosures to the Senate ethics office and expenses related to her former role as chancellor at the University of Guelph to paint a picture of her non-political activities in advance of the release of a review of her travel expenses by the forensic accounting firm Deloitte.